diff --git a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/SpecMilestone.java b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/SpecMilestone.java
index d4192df3ddd..14414848004 100644
--- a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/SpecMilestone.java
+++ b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/SpecMilestone.java
@@ -51,6 +51,16 @@ public static List<SpecMilestone> getAllPriorMilestones(SpecMilestone milestone)
     return allMilestones.subList(0, milestoneIndex);
   }
 
+  /**
+   * @param milestone The milestone being inspected
+   * @return An ordered list of all milestones succeeding the supplied milestone
+   */
+  public static List<SpecMilestone> getAllFutureMilestones(SpecMilestone milestone) {
+    final List<SpecMilestone> allMilestones = Arrays.asList(SpecMilestone.values());
+    final int milestoneIndex = allMilestones.indexOf(milestone);
+    return allMilestones.subList(milestoneIndex + 1, SpecMilestone.values().length);
+  }
+
   /**
    * @param milestone The milestone being inspected
    * @return An ordered list of all milestones up to and included the specified milestone
diff --git a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/Constants.java b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/Constants.java
index abf8bfa63dc..8dac1d5aff1 100644
--- a/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/Constants.java
+++ b/ethereum/spec/src/main/java/tech/pegasys/teku/spec/config/Constants.java
@@ -70,6 +70,7 @@ public class Constants {
   public static final UInt64 MAX_BLOCK_BY_RANGE_REQUEST_SIZE = UInt64.valueOf(200);
   public static final UInt64 SYNC_BATCH_SIZE = UInt64.valueOf(50);
   public static final UInt64 SYNC_BLOBS_SIDECARS_SIZE = UInt64.valueOf(50);
+  public static final UInt64 SYNC_BLOB_SIDECARS_SIZE = UInt64.valueOf(50);
   public static final int MAX_BLOCKS_PER_MINUTE = 500;
   public static final int MAX_BLOBS_SIDECARS_PER_MINUTE = 500;
 
diff --git a/networking/eth2/src/test/java/tech/pegasys/teku/networking/eth2/rpc/beaconchain/methods/BlobSidecarsByRootMessageHandlerTest.java b/networking/eth2/src/test/java/tech/pegasys/teku/networking/eth2/rpc/beaconchain/methods/BlobSidecarsByRootMessageHandlerTest.java
index 99b5360c160..2376e7464e7 100644
--- a/networking/eth2/src/test/java/tech/pegasys/teku/networking/eth2/rpc/beaconchain/methods/BlobSidecarsByRootMessageHandlerTest.java
+++ b/networking/eth2/src/test/java/tech/pegasys/teku/networking/eth2/rpc/beaconchain/methods/BlobSidecarsByRootMessageHandlerTest.java
@@ -27,6 +27,7 @@
 import static tech.pegasys.teku.networking.eth2.rpc.core.RpcResponseStatus.RESOURCE_UNAVAILABLE;
 import static tech.pegasys.teku.spec.config.Constants.MAX_CHUNK_SIZE_BELLATRIX;
 import static tech.pegasys.teku.spec.config.Constants.MAX_REQUEST_BLOB_SIDECARS;
+import static tech.pegasys.teku.spec.config.Constants.SYNC_BLOB_SIDECARS_SIZE;
 
 import java.util.List;
 import java.util.Optional;
@@ -45,6 +46,7 @@
 import tech.pegasys.teku.networking.eth2.rpc.core.RpcException;
 import tech.pegasys.teku.networking.eth2.rpc.core.encodings.RpcEncoding;
 import tech.pegasys.teku.spec.Spec;
+import tech.pegasys.teku.spec.SpecMilestone;
 import tech.pegasys.teku.spec.TestSpecFactory;
 import tech.pegasys.teku.spec.config.SpecConfigDeneb;
 import tech.pegasys.teku.spec.datastructures.execution.versions.deneb.BlobSidecar;
@@ -271,4 +273,20 @@ public void shouldSendToPeerRequestedBlobSidecars() {
 
     verify(callback).completeSuccessfully();
   }
+
+  @Test
+  public void verifySyncBlobSidecarsSizeIsNotLargerThanMaxRequestSizeForShardingMilestones() {
+    final List<SpecMilestone> shardingMilestones =
+        SpecMilestone.getAllFutureMilestones(SpecMilestone.CAPELLA);
+
+    shardingMilestones.forEach(
+        milestone -> {
+          final Spec spec = TestSpecFactory.createMainnet(milestone);
+          final int maxBlobsPerBlock =
+              SpecConfigDeneb.required(spec.forMilestone(milestone).getConfig())
+                  .getMaxBlobsPerBlock();
+          final UInt64 maxRequestSize = MAX_REQUEST_BLOB_SIDECARS.times(maxBlobsPerBlock);
+          assertThat(SYNC_BLOB_SIDECARS_SIZE.isLessThanOrEqualTo(maxRequestSize)).isTrue();
+        });
+  }
 }